Jawabanmu

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2014-04-08T08:00:57+07:00
9x + 2 = 10x - 5/4 2 + 5/4 = 10x - 9x 13/4 = x x = 3.25
1 5 1
2014-04-08T08:01:11+07:00
3 (3x + 2/3) = 5 (2x - 1/4)
9x + 2 = 10x - 1.25
9x - 10x = - 1.25 - 2
       -1x  = - 0.75
           x = - 0.75 / - 1